20215842

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 21878238

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 223, 446, 521, 669, 1042, 1338, 1563, 3126, 6467, 12934, 15109, 19401, 30218, 38802, 45327, 90654, 116183, 232366, 348549, 697098, 3369307, 6738614, 10107921, 20215842]

約数ペア:

[(1, 20215842), (2, 10107921), (3, 6738614), (6, 3369307), (29, 697098), (58, 348549), (87, 232366), (174, 116183), (223, 90654), (446, 45327), (521, 38802), (669, 30218), (1042, 19401), (1338, 15109), (1563, 12934), (3126, 6467)]